{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
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    "mimeType": "image/png",
    "size": 110537
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  "description": "A beam radiator (24) that radiates visible light beams having a predetermined wavelength onto a road surface to inform drivers of other vehicles of the existence of a self-owned vehicle or to let a driver of the self-owned vehicle confirm a traveling path thereof is disposed in a front portion of a…",
  "path": "/patents/1094078",
  "publishedAt": "2003-08-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60Q1/00",
    "TOYOTA MOTOR CO LTD [JP]"
  ],
  "textContent": "A beam radiator (24) that radiates visible light beams having a predetermined wavelength onto a road surface to inform drivers of other vehicles of the existence of a self-owned vehicle or to let a driver of the self-owned vehicle confirm a traveling path thereof is disposed in a front portion of a body of the self-owned vehicle. An optical filter (82) is disposed substantially all over a windshield (80) in front of a driver seat. The filter (82) is designed to have a characteristic of being more permeable to light having wavelengths close to a wavelength of visible light beams radiated from the beam radiator (24) than to light having a wavelength different from those wavelengths. In this construction, the driver is prevented from finding it difficult to visually recognize a visible light pattern resulting from visible light beams radiated from the self-owned vehicle or another vehicle owing to sunlight or the like, and visual recognizability of the visible light pattern is enhanced.",
  "title": "Vehicle operation supporting device and vehicle operation supporting system"
}